Features: 1. BATTERY1, BAT1+/BAT1-, SW1, LED1 correspond to 1 group, totaling 8 groups; Among them, BAT1+(red terminal) For the positive output of the battery, BAT1- (black terminal) for the negative output of the battery 2. Battery insertion: Place the positive electrode of the button type battery to be tested upwards and the negative electrode downwards in a circular area, labeled BATTERY1-8, and Confirm that the battery is centered and in close contact with the upper and lower electrode plates. The BC-8 eight channel buckle battery test holder is suitable for performance testing of buckle batteries with a diameter of less than 25MM, and can also test 1-8 buckle batteries. It is convenient to install various button type batteries within the specification range into the clamp holder, and use the non self-locking button to detect whether the battery polarity is correctly connected and determine whether the battery is charged. Finally, the performance of the battery is tested by connecting to the battery analyzer. Check if the battery is installed correctly: Press the corresponding soft touch switch (SW), and the corresponding LED will light up, indicating that the battery has been installed correctly; If the corresponding LED light is not on, check if the battery polarity is installed correctly or determine if the battery is charged. Color: Black Material: plastic Package Contents: 1 x Battery Analyzer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.